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Diatomite insulation brick is often used as insulation for high-temperature kilns and other thermal equipment. Diatomite bricks comprise a small amount of binder and combustible materials added to diatomite. The production of diatomite bricks requires wetting, mixing Raw materials, kalıplama, firing, and other steps.

Physical and chemical indicators of diatomite insulation bricks

Products PropertiesFR-0.5FR-0.6FR-0.7FR-0.8FR-1.0
Yığın yoğunluğu g/cm3≤ 0.5≤ 0.6≤ 0.7≤ 0.8≤ 1.0
Cold crushing strength kg/cm2≥ 8≥ 12≥ 20≥ 35≥ 50
Reheat shrinkage % at 900° C×8hrs0.50.50.50.50.5
Termal iletkenlik W/(M. k)at 300° C mean0.110.150.180.200.23
Max service temp ° C900900900900900
Chemical composition %
SiO271.571.070.570.070.0
Al2Ö316.517.017.518.018.0
Fe2Ö34.04.24.55.05.0

The main chemical composition of diatomite insulation firebrick

Diatomite insulation brick’s main chemical composition is SiO2, followed by Al2Ö3, and impurities such as iron oxides, potassium, sodyum, calcium, and magnesium.

Advantages of diatomite bricks

  1. The fire-resistant thermal expansion rate is small, and not easy to deform.
  2. It has lightweight and high compressive strength.
  3. Good heat preservation effect, and reduce energy consumption.
  4. Low bulk density and small thermal conductivity.
  5. The construction is convenient and the surface is smooth.

Application of diatomite insulation bricks

Diatomite insulation bricks are often used in electric power, metalurji, kimyasal endüstri, and cement industries, especially in pipes and fireplaces of thermal equipment.

Diatomite insulation brick supplier certificate

refrakter hammadde sertifikası
refrakter hammadde sertifikası

Rongsheng success cases

refractory customers
refractory customers

Rongsheng fabrika için kurulmuştur 20 yıl, exported to more than 80 ülkeler, and has more than 1,000 transaction customers. We hope to establish a long-term cooperative relationship with our customers.

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